Kernels in the closure of coloured digraphs. - Hortensia Galeana-Sánchez; José de Jesús García-Ruvalcaba (Discuss. Math. Graph Theory, 2000)

On graphs all of whose {C3, T3}-free arc colorations are kernel-perfect. - Hortensia Galeana-Sánchez; José de Jesús García-Ruvalcaba (Discuss. Math. Graph Theory, 2001)